U.S. Air Force Decides on Engine Core Upgrade for F-35 Fighter

The U.S. Air Force has decided to move forward on Raytheon Technologies‘ Pratt & Whitney Engine Core Upgrade (ECU) for the F-35 fighter and end the service’s Advanced Engine Transition Program (AETP), which received the Air Force-requested amount of $286 million last year. The Air Force’s fiscal 2024 budget requests $245 million for ECU and increases research and development funding for an advanced engine for the Next Generation Air Dominance (NGAD) manned fighter.

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